#263F84#263F84

#263F84 is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.9% C 0.120 H 266.0°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#263F84
RGB	rgb(38, 63, 132)
HSL	hsl(224, 55%, 33%)
HSV	hsv(224, 71%, 52%)
CMYK	cmyk(71.2%, 52.3%, 0%, 48.2%)
CIE-LAB	lab(28.47, 15.30, -41.68)
CIE-LCH	lch(28.47, 44.40, 290.15°)
OKLab	oklab(38.88% -0.0084 -0.1197)
OKLCH	oklch(38.88% 0.12 266)
XYZ	xyz(6.7402, 5.6324, 22.5573)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F84 #846B26

analogous

#266E84 #263F84 #3C2684

triadic

#263F84 #84263F #3F8426

tetradic

#263F84 #84266E #846B26 #26843C

square

#263F84 #84266E #846B26 #26843C

split-complementary

#263F84 #843C26 #6E8426

monochromatic

#0B1225 #182854 #263F84 #3456B4 #5676CE

Accessibility & contrast

On white

9.87

#263F84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#263F84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F84

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F84	#FFFFFF	#000000	##FFFFFF
##263F84	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164886

Deuteranopia (green-blind)

#003F83

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #263f84;
/* rgb */ color: rgb(38, 63, 132);
/* oklch */ color: oklch(38.9% 0.120 266.0);

Tailwind

colors: {
  custom: {
    50: '#6d73a8',
    500: '#263f84',
    950: '#000000',
  },
}

SCSS

$custom: #263f84;
$custom-light: #6d73a8;
$custom-dark: #000000;

JSON

{
  "hex": "#263f84",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 132
  },
  "hsl": {
    "h": 224.043,
    "s": 55.294,
    "l": 33.333
  },
  "oklch": {
    "l": 0.3888,
    "c": 0.11996,
    "h": 266
  },
  "luminance": 0.05633
}

Semantic roles & 50–950 ramp

primary

#263F84

secondary

#B39953

accent

#B749DF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #263F84

Body copy rendered with the generated semantic roles for this colour.

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